Finding the Fourth Proportional to 1,992,694.34, 2,749,448.76 and 1,477,639.44
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Solution
The fourth proportional to 1,992,694.34, 2,749,448.76 and 1,477,639.44 is: 2,038,794.33
Step by Step Solution
- Step 1: Write the proportion equation
1,992,694.34 : 2,749,448.76 = 1,477,639.44 : x - Step 2: Convert to fraction form
1,992,694.34/2,749,448.76 = 1,477,639.44/x - Step 3: Cross multiply
1,992,694.34x = 2,749,448.76 × 1,477,639.44 - Step 4: Simplify right side
1,992,694.34x = 4,062,693,926,035.09 - Step 5: Solve for x
x = 4,062,693,926,035.09/1,992,694.34 - Step 6: Final answer
x = 2,038,794.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.